Toaster oven



FIG. 1 is a front right top perspective view of the toaster oven showing the new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a back elevation view thereof; and,

FIG. 6 is a top plan view thereof.

The details shown in broken lines form no part of the claimed design.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a toaster oven, as shown and described. 